remove dead code and translate german comments to english

turtle-lib/src/drawing.rs

@@ -12,54 +12,7 @@ use macroquad::prelude::*;
 // See https://easings.net/ for visual demonstrations
 use tween::CubicInOut;
 
-/// Render the entire turtle world
+/// Render the turtle world with active tween visualization.
-pub(crate) fn render_world(world: &TurtleWorld) {
-    // Update camera zoom based on current screen size to prevent stretching
-    let camera = Camera2D {
-        zoom: vec2(1.0 / screen_width() * 2.0, 1.0 / screen_height() * 2.0),
-        target: world.camera.target,
-        ..Default::default()
-    };
-
-    // Set camera
-    set_camera(&camera);
-
-    // Draw all accumulated commands from all turtles
-    for turtle in &world.turtles {
-        for cmd in &turtle.commands {
-            match cmd {
-                DrawCommand::Mesh { data, source: _ } => {
-                    // Rendering wie bisher
-                    draw_mesh(&data.to_mesh());
-                    // Hier könnte man das source für Debug/Export loggen
-                }
-                DrawCommand::Text {
-                    text,
-                    position,
-                    heading,
-                    font_size,
-                    color,
-                    source: _,
-                } => {
-                    draw_text_command(text, *position, *heading, *font_size, *color);
-                    // Hier könnte man das source für Debug/Export loggen
-                }
-            }
-        }
-    }
-
-    // Draw all visible turtles
-    for turtle in &world.turtles {
-        if turtle.params.visible {
-            draw_turtle(&turtle.params);
-        }
-    }
-
-    // Reset to default camera
-    set_default_camera();
-}
-
-/// Render the turtle world with active tween visualization
 #[allow(clippy::too_many_lines)]
 pub(crate) fn render_world_with_tweens(world: &TurtleWorld, zoom_level: f32) {
     // Update camera zoom based on current screen size to prevent stretching

turtle-lib/src/export.rs

@@ -1,4 +1,4 @@
-//! Export-Backend-Trait und zentrale Export-Typen
+//! Export backend trait and core export types.
 
 use crate::state::TurtleWorld;
 use crate::TurtlePlan;
@@ -7,14 +7,14 @@ use crate::TurtlePlan;
 pub enum ExportError {
     Io(std::io::Error),
     Format(String),
-    // Weitere Formate können ergänzt werden
+    // Additional formats can be added here.
 }
 
 #[derive(Clone, Copy, Debug)]
 pub enum DrawingFormat {
     #[cfg(feature = "svg")]
     Svg,
-    // Weitere Formate wie Png, Pdf, ...
+    // Additional formats: Png, Pdf, …
 }
 
 pub(crate) trait DrawingExporter {

turtle-lib/src/export_svg.rs

@@ -1,4 +1,4 @@
-//! SVG-Export-Backend für TurtleWorld
+//! SVG export backend for `TurtleWorld`.
 
 #[cfg(feature = "svg")]
 pub mod svg_export {
@@ -42,7 +42,7 @@ pub mod svg_export {
                         DrawCommand::Mesh { source, .. } => {
                             match &source.command {
                                 TurtleCommand::Move(_) | TurtleCommand::Goto(_) => {
-                                    // Linie als <line>
+                                    // Straight line — emit as SVG <line>
                                     let start = source.start_position;
                                     let end = source.end_position;
                                     update_bounds(
@@ -78,7 +78,7 @@ pub mod svg_export {
                                     );
                                     let center = geom.center;
                                     if (angle.value() - 360.0).abs() < 1e-3 {
-                                        // Voller Kreis
+                                        // Full circle — emit as SVG <circle>
                                         update_bounds(
                                             &mut min_x,
                                             &mut max_x,
@@ -104,7 +104,7 @@ pub mod svg_export {
                                             .set("fill", "none");
                                         doc = doc.add(circle);
                                     } else {
-                                        // Kreisbogen als <path>
+                                        // Partial arc — emit as SVG <path> with A command
                                         let start = source.start_position;
                                         let end = source.end_position;
                                         // For arcs, include the full circle bounds to ensure complete visibility
@@ -149,7 +149,7 @@ pub mod svg_export {
                                     }
                                 }
                                 TurtleCommand::EndFill => {
-                                    // Fills werden als <path> mit Konturen ausgegeben
+                                    // Fill contours — emit as SVG <path> with evenodd fill rule
                                     if let Some(contours) = &source.contours {
                                         for contour in contours {
                                             for point in contour {
@@ -187,7 +187,7 @@ pub mod svg_export {
                                             doc = doc.add(path);
                                         }
                                     } else {
-                                        // Fallback: Dummy-Polygon
+                                        // Fallback: no contour data — emit a dummy polygon
                                         update_bounds(
                                             &mut min_x,
                                             &mut max_x,

turtle-lib/src/lib.rs

@@ -63,7 +63,7 @@ pub(crate) mod tweening;
 pub use builders::{CurvedMovement, DirectionalMovement, Turnable, TurtlePlan, WithCommands};
 pub use commands::{CommandQueue, TurtleCommand};
 pub use commands_channel::TurtleCommandSender;
-pub use general::{Degrees, Radians, AnimationSpeed, Color, Coordinate, Length, Precision};
+pub use general::{AnimationSpeed, Color, Coordinate, Degrees, Length, Precision, Radians};
 pub use shapes::{ShapeType, TurtleShape};
 
 pub mod export;
@@ -96,9 +96,7 @@ pub struct TurtleApp {
 }
 
 impl TurtleApp {
-    /// Exportiere das aktuelle Drawing in das gewünschte Format
+    /// Export the current drawing to a file in the specified format.
-    #[allow(unused_variables)]
-    /// Export the current drawing to a file in the specified format
     ///
     /// # Errors
     ///
@@ -116,10 +114,10 @@ impl TurtleApp {
                 let exporter = SvgExporter;
                 exporter.export(&self.world, filename)
             }
-            // Weitere Formate können hier ergänzt werden
+            // Additional formats can be registered here.
             #[allow(unreachable_patterns)]
             _ => Err(export::ExportError::Format(
-                "Export-Format nicht unterstützt".to_string(),
+                "Unsupported export format".to_string(),
             )),
         }
     }